4222344342420 has 72 divisors (see below), whose sum is σ = 13153934017224. Its totient is φ = 1095527179008.

The previous prime is 4222344342379. The next prime is 4222344342449. The reversal of 4222344342420 is 242434432224.

4222344342420 is a `hidden beast` number, since 4 + 2 + 223 + 4 + 4 + 3 + 4 + 2 + 420 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 1256771039364 + 2965573303056 = 1121058^2 + 1722084^2 .

It is a super-2 number, since 2×4222344342420² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 316986159 + ... + 316999478.

It is an arithmetic number, because the mean of its divisors is an integer number (182693528017).

Almost surely, 2^{4222344342420} is an apocalyptic number.

It is an amenable number.

4222344342420 is an abundant number, since it is smaller than the sum of its proper divisors (8931589674804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4222344342420 is a wasteful number, since it uses less digits than its factorization.

4222344342420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 633985689 (or 633985684 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 36.

Adding to 4222344342420 its reverse (242434432224), we get a palindrome (4464778774644).

The spelling of 4222344342420 in words is "four trillion, two hundred twenty-two billion, three hundred forty-four million, three hundred forty-two thousand, four hundred twenty".